Hadoop General Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Hadoop General Interview Questions

Questions Answers Views Company eMail

What happens if one hadoop client renames a file or a directory containing this file while another client is still writing into it?

418

Which directory does hadoop install to?

455

Why use hadoop?

397

What are the actions followed by hadoop?

428

What kind of hardware is best for hadoop?

380

Where are hadoop’s configuration files located and list them?

411

How jobtracker assign tasks to the tasktracker?

374

What are the functionalities of jobtracer?

385

What does rack awareness mean?

380

What the information segments utilized by hadoop are?

379

Clarify what a task tracker is in hadoop?

391

How ordering in hdfs is finished?

394

Clarify what is sequence file input format?

487

How job tracker schedules an assignment?

374

Clarify what jobtracker is in hadoop? What are the activities followed by hadoop?

395

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Un-Answered Questions { Hadoop General }

What is the procedure for namenode recovery?

395

Clarify how ordering in hdfs is finished?

433

What is winutils hadoop?

395

Explain the common input formats in hadoop?

434

Which object can be used to get the progress of a particular job

441

Explain about Hadoop file system and processing framework?

385

What is meant by streaming access?

499

Why do we need Hadoop Archives? How is it created?

515

List of the some best tools that can be useful for data-analysis?

407

What is the NameNode port number?

361

Is it possible to have hadoop job output in multiple directories?

406

Explain some important features of hadoop?

415

What is distributed copy (distcp)?

434

How many job tracker processes can run on a single Hadoop cluster?

442

What is streaming in Hadoop?

393

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